5. Dual Function
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5. Dual Function
This chapter describes about dual function.
5.1 Construction and outline
5.1.1. Parenthood
:
Maximum 10 OPC Servers can exist on the sysytem.
5.1.2. At the case of two OPC Servers
When there are two OPC Servers only, the parent node is the child node.
(Own node)
(Child node)
(backs up) he talker of the
parent node.
one.
(backs up) the talker of the
own node.
the parent node.
monitored by the child
Client
nVCON
nVCON
nVCON
nVCON
Client
Client
…
… …
(Parent node)
(Parent node)
(Parent node)
several parent nodes.